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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /image/ScriptedNotificationObserver.cpp
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'image/ScriptedNotificationObserver.cpp')
-rw-r--r--image/ScriptedNotificationObserver.cpp73
1 files changed, 73 insertions, 0 deletions
diff --git a/image/ScriptedNotificationObserver.cpp b/image/ScriptedNotificationObserver.cpp
new file mode 100644
index 0000000000..4797b182c3
--- /dev/null
+++ b/image/ScriptedNotificationObserver.cpp
@@ -0,0 +1,73 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "ScriptedNotificationObserver.h"
+#include "imgIScriptedNotificationObserver.h"
+#include "nsCycleCollectionParticipant.h"
+#include "nsContentUtils.h" // for nsAutoScriptBlocker
+
+namespace mozilla {
+namespace image {
+
+NS_IMPL_CYCLE_COLLECTION(ScriptedNotificationObserver, mInner)
+
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(ScriptedNotificationObserver)
+ NS_INTERFACE_MAP_ENTRY(imgINotificationObserver)
+ NS_INTERFACE_MAP_ENTRY(nsISupports)
+NS_INTERFACE_MAP_END
+
+NS_IMPL_CYCLE_COLLECTING_ADDREF(ScriptedNotificationObserver)
+NS_IMPL_CYCLE_COLLECTING_RELEASE(ScriptedNotificationObserver)
+
+ScriptedNotificationObserver::ScriptedNotificationObserver(
+ imgIScriptedNotificationObserver* aInner)
+ : mInner(aInner) {}
+
+void ScriptedNotificationObserver::Notify(imgIRequest* aRequest, int32_t aType,
+ const nsIntRect* /*aUnused*/) {
+ // For now, we block (other) scripts from running to preserve the historical
+ // behavior from when ScriptedNotificationObserver::Notify was called as part
+ // of the observers list in nsImageLoadingContent::Notify. Now each
+ // ScriptedNotificationObserver has its own imgRequestProxy and thus gets
+ // Notify called directly by imagelib.
+ nsAutoScriptBlocker scriptBlocker;
+
+ if (aType == imgINotificationObserver::SIZE_AVAILABLE) {
+ mInner->SizeAvailable(aRequest);
+ return;
+ }
+ if (aType == imgINotificationObserver::FRAME_UPDATE) {
+ mInner->FrameUpdate(aRequest);
+ return;
+ }
+ if (aType == imgINotificationObserver::FRAME_COMPLETE) {
+ mInner->FrameComplete(aRequest);
+ return;
+ }
+ if (aType == imgINotificationObserver::DECODE_COMPLETE) {
+ mInner->DecodeComplete(aRequest);
+ return;
+ }
+ if (aType == imgINotificationObserver::LOAD_COMPLETE) {
+ mInner->LoadComplete(aRequest);
+ return;
+ }
+ if (aType == imgINotificationObserver::DISCARD) {
+ mInner->Discard(aRequest);
+ return;
+ }
+ if (aType == imgINotificationObserver::IS_ANIMATED) {
+ mInner->IsAnimated(aRequest);
+ return;
+ }
+ if (aType == imgINotificationObserver::HAS_TRANSPARENCY) {
+ mInner->HasTransparency(aRequest);
+ return;
+ }
+}
+
+} // namespace image
+} // namespace mozilla